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Hexamethyldisiloxane

Hexamethyldisiloxane
Hexamethyldisiloxane structure
CAS No.
107-46-0
Chemical Name:
Hexamethyldisiloxane
Synonyms
HMDO;os10;HMDSO;HX 18;H7310;kf96l;CH7310;SF 0.65;ls-7130;sws-f221
CBNumber:
CB2446352
Molecular Formula:
C6H18OSi2
Formula Weight:
162.38
MOL File:
107-46-0.mol

Hexamethyldisiloxane Properties

Melting point:
−59 °C(lit.)
Boiling point:
101 °C(lit.)
Density 
0.764 g/mL at 20 °C(lit.)
vapor density 
>1 (vs air)
vapor pressure 
20 hPa (20 °C)
refractive index 
n20/D 1.377(lit.)
Flash point:
33 °F
storage temp. 
Flammables area
solubility 
0.00037g/l insoluble
form 
liquid
Specific Gravity
0.76
explosive limit
0.5-21.8%(V)
Water Solubility 
insoluble
BRN 
1736258
Stability:
Stable, but moisture sensitive. Highly flammable. Incompatible with strong acids, strong bases, oxidizing agents.
InChIKey
UQEAIHBTYFGYIE-UHFFFAOYSA-N
CAS DataBase Reference
107-46-0(CAS DataBase Reference)
NIST Chemistry Reference
Disiloxane, hexamethyl-(107-46-0)
EPA Substance Registry System
Disiloxane, hexamethyl-(107-46-0)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS02,GHS09
Signal word  Danger
Hazard statements  H400-H225-H410
Precautionary statements  P240-P241-P280a-P303+P361+P353-P501a-P210-P273-P391-P403+P235-P501
Hazard Codes  F,N,T
Risk Statements  11-50/53-65-51/53-48/23/24/25-36/38-46-45
Safety Statements  16-61-62-45-26-53
RIDADR  UN 1993 3/PG 2
WGK Germany  3
RTECS  JM9237000
10
Autoignition Temperature 340 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29310095
Toxicity LD50 orally in Rabbit: > 12160 mg/kg LD50 dermal Rat > 2000 mg/kg

Hexamethyldisiloxane price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 01565 Hexamethyldisiloxane for GC derivatization, ≥98% (GC) 107-46-0 1ml $32.5 2018-11-13 Buy
Sigma-Aldrich 01565 Hexamethyldisiloxane for GC derivatization, ≥98% (GC) 107-46-0 10x1ml $94.2 2018-11-13 Buy
TCI Chemical H0091 Hexamethyldisiloxane >98.0%(GC) 107-46-0 25mL $12 2018-11-22 Buy
TCI Chemical H0091 Hexamethyldisiloxane >98.0%(GC) 107-46-0 100mL $16 2018-11-22 Buy
Alfa Aesar A11848 Hexamethyldisiloxane, 98+% 107-46-0 100ml $21.1 2018-11-13 Buy

Hexamethyldisiloxane Chemical Properties,Uses,Production

Chemical Properties

Colorless or yellowish transparent liquid

Uses

A silicon based compound that can be used to create potentially biocompatible materials. Used as a monomer in the synthesis of long chain polysiloxane structures. Used in the methylation of mercury(II) salts.

Uses

The most popular precursor chemical is hexamethyldisiloxane (HMDS) which with the addition of helium and oxygen will produce a silica coating. it is used in a variety of consumer applications and can be used as intermediates in the production of silicone polymers.

Definition

ChEBI: An organosiloxane consisting of two trimethylsilyl groups covalently bound to a central oxygen.

Purification Methods

Fractionally distil through a column packed with glass helices with ca 15 theoretical 20 1.3777. plates. It is highly flammable and is an irritant. [Mills & McKenzie J Am Chem Soc 76 2672 1954, Csakvari et al. J Organometal Chem 107 287 1976, Beilstein 4 IV 4018.]

Hexamethyldisiloxane Preparation Products And Raw materials

Raw materials

Preparation Products


Hexamethyldisiloxane Suppliers

Global( 308)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hefei TNJ Chemical Industry Co.,Ltd.
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0086-571-86990109; 0086-18605816692
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View Lastest Price from Hexamethyldisiloxane manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-06 Hexamethyldisiloxane
107-46-0
US $2.00 / KG 1KG 99% 20kg career henan chemical co

Hexamethyldisiloxane Spectrum


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